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The skid marks on the road in a vehicular accident may give an indication of

  • A.make of the vehicle
  • B.speed of the vehicle
  • C.weight of the vehicle
  • D.height of the vehicle

Answer: B

Skid marks on the road may indicate the speed of the vehicle. The length of a skid, with the friction of the road, gives the speed at which the brakes were applied, by the formula for skidding distance.

The marks do not say the make of the vehicle, its weight or its height, although tyre patterns in a mark can help identify a tyre. The speed is estimated from the relation between speed, skidding distance and the coefficient of friction of the road, which is why the length of the mark is measured at the scene by the investigating officer.

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